Abstract

Abstract The anisotropy of the dielectric permittivity and spontaneous polarization for pure and α-alanine doped diglycine nitrate has been studied. The actual polar direction is considered to be the normal direction to the 60°X-cut. The deviation of the spontaneous polarization vector in the mirror plane m for the ferroelectric phase has not been observed. The mechanism of partial substitution of alanine for glycine in this crystal is shown to be the same as in triglycine sulfate.

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